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  • ProLoop Lite (BIRCHER)
ProLoop Lite (BIRCHER)

ProLoop Lite (BIRCHER)

  • Category: Other sensors
  • Numerous potential applications
  • Maintenance-free, so high operational reliability
  • Very short commissioning time thanks to simple programming
  • Easier operation thanks to the LCD display
  • Product description:With ProLoop Lite, every loop detection is absolutely reliable. ProLoop Lite monitors and evaluates induction loops installed in the ground and detects all types of metallic vehicles: Bicycles, cars,
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Technical specifications

Mechanical data

Housing                       DIN      For DIN rail mounting
Material: PA, black/grey

11-pin    Lower part with 11-pin connector,

material PA black;

hood, material PPE red

Dimensions                 DIN 22.5 mm x 94 x 90 (W x H x D)

11-pin    36 x 74 x 88 mm (W x H x D)

Weight                       DIN       140g

11-pin 100 g (24 V), 185 g (230 V)

Type of connection      DIN Clamp-type terminals

11-pin    11-pin connector

Loop supply cable                     1.5 mm2, min. 20 twists

per meter

Max. 100 m at 20–40 µH

Max. 200 m at over 40 µH

Electrica data

Supply voltage           DIN        24 VDC –10% to +20% 84 mA
230 VAC ± 10%, 50/60 Hz,

16 mA

Power consumption    DIN Max. 2.9 VA

11-pin 24 V, 1.2 VA, 230 VAC, 3.7 VA

On duration 100%

Loop inductivity                      Max. 20–1000 µH

Ideal 80–300 µH

Frequency range 4 stages

Sensitivity                             Frequency modulation:

0.01 – 1.00% in 9 stages

Hold time                             Infinite (factory setting), or

according to programming

Loop resistance < 8 Ohm incl. supply cable

Output relay                          Max. 240 VAC,

2A / 30 VDC; 1 A; AC-1

Channel switching time          1-loop device 25 ms

2-loop device 50 ms

Max. ascertainable                50 km/h with the appropriate

vehicle speed                        loop

Compliance                          R&TTE 1999/5/EC

Ambient conditions

Type of protecton                 IP20

Operating temps.                 –20 °C to +60 °C
Storage temperature            – 40 °C to +70 °C

Humidity                             < 95 %, no condensation

Technical details and recommendations on our products are based upon experience and
represent guidelines for the user. Details in brochures and specification sheets do not
guarantee any special product features, apart from those which we confirm in individual

cases. We reserve the right to make changes as the result of technical developments